///
///图片对象
///
class PictureModel {
  final int height;
  final int width;
  final String mediaUrl;

  PictureModel({this.height, this.width, this.mediaUrl});

  factory PictureModel.fromJson(Map<String, dynamic> json) {
    return PictureModel(height: json['height'], width: json['width'], mediaUrl: json['mediaUrl']);
  }
}
